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Methods and apparatus for the quantization and analog conversion of digital signals

  • US 5,406,284 A
  • Filed: 12/31/1992
  • Issued: 04/11/1995
  • Est. Priority Date: 12/31/1992
  • Status: Expired due to Fees
First Claim
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1. A dual DAC, comprising:

  • a ROM containing a plurality of addressable output signals;

    a shift left register configured to receive one of said output signals from said ROM at time t0 ;

    a shift right register configured to receive said one of said output signals from said ROM at time t0 ;

    a first one bit DAC configured to receive a left shifted output from said shift left register at time t1 following time t0 ;

    a second one bit DAC configured to receive a right shifted output from said shift right register at time t1 ; and

    an analog summer configured to receive the respective outputs of said first and second one bit DACs at time t2 following time t1, said summer being further configured to generate an output signal indicative of the sum of the outputs from said first and second one bit DACs.

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